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TCA9539QPWRQ1 Datasheet(PDF) 3 Page - Texas Instruments

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Part # TCA9539QPWRQ1
Description  Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander with Interrupt Output, Reset Pin, and Configuration Registers
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TCA9539QPWRQ1 Datasheet(HTML) 3 Page - Texas Instruments

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INT
A1
RESET
P00
P01
P02
P03
P04
P05
P06
P07
GND
V
CC
SDA
SCL
A0
P17
P16
P15
P14
P13
P12
P11
P10
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
3
TCA9539-Q1
www.ti.com
SCPS254B – JANUARY 2014 – REVISED APRIL 2016
Product Folder Links: TCA9539-Q1
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Copyright © 2014–2016, Texas Instruments Incorporated
5 Pin Configuration And Functions
PW Package
24-Pin TSSOP
Top View
Pin Functions
PIN
I/O
DESCRIPTION
NO.
NAME
1
INT
O
Interrupt open-drain output. Connect to VCC through a pull-
up resistor
2
A1
I
Address input. Connect directly to VCC or ground
3
RESET
I
Active-low reset input. Connect to VCC through a pull-up
resistor if no active connection is used
4
P00
I/O
P-port input-output. Push-pull design structure. At power-on,
P00 is configured as an input
5
P01
I/O
P-port input-output. Push-pull design structure. At power-on,
P01 is configured as an input
6
P02
I/O
P-port input-output. Push-pull design structure. At power-on,
P02 is configured as an input
7
P03
I/O
P-port input-output. Push-pull design structure. At power-on,
P03 is configured as an input
8
P04
I/O
P-port input-output. Push-pull design structure. At power-on,
P04 is configured as an input
9
P05
I/O
P-port input-output. Push-pull design structure. At power-on,
P05 is configured as an input
10
P06
I/O
P-port input-output. Push-pull design structure. At power-on,
P06 is configured as an input
11
P07
I/O
P-port input-output. Push-pull design structure. At power-on,
P07 is configured as an input
12
GND
Ground
13
P10
I/O
P-port input-output. Push-pull design structure. At power-on,
P10 is configured as an input
14
P11
I/O
P-port input-output. Push-pull design structure. At power-on,
P11 is configured as an input
15
P12
I/O
P-port input-output. Push-pull design structure. At power-on,
P12 is configured as an input
16
P13
I/O
P-port input-output. Push-pull design structure. At power-on,
P13 is configured as an input
17
P14
I/O
P-port input-output. Push-pull design structure. At power-on,
P14 is configured as an input
18
P15
I/O
P-port input-output. Push-pull design structure. At power-on,
P15 is configured as an input


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